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[Sentence Correction]
试题详情
题目：
Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored due to their enhancement of reproduction or survival, but that they are simply random by-products of other evolutionary developments.
选项:
A、 due to their enhancement of reproduction or survival, but that they are
B、 due to the reproduction or survival they enhance, but they are
C、 because they enhance reproduction or survival, but
D、 because they enhance reproduction or survival, but are
E、 because of enhancing reproduction or survival, but are
答案:
D
提问：
这道题为什么不能选E选项呢？D选项的they为什么不会出现指代有歧义的问题呢？我认为E中没有指代歧义更准确就选择了E
解答：
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